docs: def entityComment(rdfGraph, anEntity, language=DEFAULT_LANGUAGE, getall=True):
      """
      Returns the rdfs.comment value of an entity (class or property), if existing.
      Defaults to DEFAULT_LANGUAGE. Returns the RDF.Literal resource
  
      Args:
      language: 'en', 'it' etc..
      getall: returns a list of all labels rather than a string
  
      """
  
      if getall:
          temp = []
          for o in rdfGraph.objects(anEntity, RDFS.comment):
              temp += [o]
          return temp
      else:
          for o in rdfGraph.objects(anEntity, RDFS.comment):
              if getattr(o, 'language') and getattr(o, 'language') == language:
                  return o
          return ""